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<p>Provides classes and interfaces for cost models that can be used to
    assign costs to linguistic structures, after a training phase where the models
    are trained on a training set of linguistic structures. A 
    <i>model</i> consists of a set of submodels. Each <i>submodel</i> is given by
    a data extraction specification, a training specification, and an evaluation 
    specification. The <i>data extraction specification</i>
    specifies how the appropriate training data (in the form of augmentations) 
    are extracted from a given linguistic structure. The <i>training specification</i>
    specifies the estimator that is used in the training, and the associated 
    training parameters. The evaluation specification specifies how the submodel 
    is applied to a given location in the graph, ie, how to compute the cost
    that the submodel assigns to the given location.</p>

<h2>Package Specification</h2>


<h2>Related Documentation</h2>

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